HEAVY-DUTY INDUSTRIAL SWITCHES
PSW-701, 711-714
P
1/4 NPT
PSW-710, 715-717
1/4 NPT
PSW-705-707
1/4 NPT (F)
PSW-721-726
1/2 NPT
PSW-731-735
1/2 NPT
PSW-702-704, 708, 709
1/2 NPT
SINGLE OR DUAL SETPOINT,
INTERNAL OR EXTERNAL ADJUSTMENT
See switch
accessories on page
PSW-700 Series
30 inHg Vacuum to 3000 psi
H-37 for audible alarms
and relay modules.
Starts at
$
315
⻬ Division 1 Rating
⻬ Single or Dual Setpoints,
Tamper Resistant
⻬ Heavy-Duty Enclosure
⻬ Rated NEMA 4X, 7, 9
(IP66)
⻬ Terminal Block Wiring
⻬ High-Temperature
Operation to 200°C
(392°F) Process
Temperature (Stainless
Steel Model Only)
PSW-700 Series pressure switches
are built for the rugged industrial
setting. The internal setpoints allow
adjustments while keeping the
electrical component isolated from
the environment. Both the internal
and external setpoints have a
range scale, allowing fast,
easy setup.
SPECIFICATIONS
Approvals: UL listed; Class I, Division
1 and 2, Groups B, C and D; Class II,
Groups E, F and G; Class III
Repeatability: ±1% range
Process Temperature:
Stainless Steel: -57 to 204°C
(-70 to 400°F)
Brass: -40 to 149°C (-40 to 300°F)
Buna-N: -23 to 93°C (-10 to 200°F)
Ambient Temperature:
-50 to 71°C (-58 to 160°F), except for
models 703 to 705, which are -18 to
71°C (0 to 160°F). Setpoint typically
shifts less than 1% of range for a 28°C
(50°F) ambient temperature change.
Shock: Setpoint repeats after 15 g,
10 ms duration
Vibration: Setpoint repeats after
2.5 g at 5 to 500 Hz
Output: 1 SPDT or 2 SPDT
15 A 125/250/480 Vac
Enclosure: Low copper-cast
epoxy-coated aluminum
Electrical Connection:
conduit; internal screw terminals
Dimensions:
Weight: Approx. 1.7 kg (4 lb)
psi Ranges:
230 (max)
H x 125 W x 108 mm D
(9 x 4.9 x 4.3")
H
O Ranges:
2
W and D = 153 mm (6")
H-33
PSW-722, ±10 inH2O
range, $655, shown much
smaller than actual size.
3
⁄4 NPT
Dual external
setpoint
calibration
adjustment
INDUSTRIAL SWITCHES
PSW-707, 0 to 500 psi
range, $595, shown
smaller than actual size
Recommended Reference Book:
Fluid Machinery,
ME-1849, $135
See Section Y
For Additional Books
MOST POPULAR
MODELS HIGHLIGHTED!
To Order (Specify Model Number)
RANGE
MODEL STANDARD PROOF DIAL
NO.
PRICE
STANDARD METRIC
SINGLE SETPOINT, FIXED DEADBAND, WELDED 316L SS DIAPHRAGM,
PSW-721 $655 -300 to 0 inH2O -747 to 0 mbar 0.2 to 15 inH2O 100 psi 15 A SPDT Blind adj
PSW-722 655 -10 to 10 inH2O -25 to 25 mbar 0.1 to 0.6 inH2O 100 psi 15 A SPDT Blind adj
PSW-723 655 -50 to 50 inH2O -125 to 125 mbar 0.1 to 3 inH2O 100 psi 15 A SPDT Blind adj
PSW-724 655 0.5 to 5 inH2O 1.25 to 12.5 mbar 0.1 to 0.3 inH2O 100 psi 15 A SPDT Blind adj
PSW-725 655 2.5 to 50 inH2O 6 to 125 mbar 0.1 to 0.8 inH2O 100 psi 15 A SPDT Blind adj
PSW-726 655 10 to 250 inH2O 25 to 622 mbar 0.1 to 10 inH2O 100 psi 15 A SPDT Blind adj
PSW-731 315 5 to 30 psi 0.3 to 2.1 bar 1 to 6 psi 2500 psi 15 A SPDT Blind adj
PSW-732 315 10 to 100 psi 0.7 to 7 bar 1 to 15 psi 2500 psi 15 A SPDT Blind adj
PSW-733 315 15 to 300 psi 1 to 21 bar 3 to 25 psi 2500 psi 15 A SPDT Blind adj
PSW-734 315 20 to 500 psi 1.4 to 34.5 bar 4 to 45 psi 2500 psi 15 A SPDT Blind adj
PSW-735 315 80 to 1700 psi 5.5 to 117 bar 5 to 150 psi 2500 psi 15 A SPDT Blind adj
DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, SEALED BRASS BELLOWS,
1
⁄
FNPT NICKEL-PLATED BRASS PRESSURE CONNECTION
4
PSW-701 $545
PSW-711 540
30 inHg vac to 0 psi
30 inHg vac to 20 psi
1.02 to 0 bar 0.2 to 0.9 inHg 30 inHg (2)15 A SPDT 0.5 inHg
-1 to 1.4 bar 0.2 to 1.2 inHg 25 psi (2)15 A SPDT
PSW-712 540 0 to 30 psi 0 to 2 bar 0.1 to 0.6 psi 40 psi (2)15 A SPDT 0.5 psi
PSW-713 540 0 to 100 psi 0 to 6.9 bar 0.2 to 0.8 psi 125 psi (2)15 A SPDT 2 psi
PSW-714 540 0 to 200 psi 0 to 13.8 bar 0.3 to 2 psi 200 psi (2)15 A SPDT 5 psi
DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, WELDED 316 SS BELLOWS,
1
⁄
FNPT PRESSURE CONNECTION
2
PSW-702 $690 0 to 20 psi 0 to 1.4 bar 0.1 to 0.5 25 psi (2)15 A SPDT 0.5 inHg
PSW-703 695 0 to 30 psi 0 to 2 bar 0.1 to 0.6 40 psi (2)15 A SPDT 0.5 psi
PSW-704 695 0 to 100 psi 0 to 6.9 bar 0.2 to 0.8 125 psi (2)15 A SPDT 2 psi
PSW-708 695
30 inHg vac to 20 psi
-1 to 1.4 bar 0.2 to 1.2 inHg 25 psi (2)15 A SPDT
PSW-709 695 0 to 200 psi 0 to 13.8 bar 0.3 to 2 psi 200 psi (2)15 A SPDT 5 psi
DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, WELDED 316 SS BELLOWS,
1
⁄
FNPT PRESSURE CONNECTION
4
PSW-705 $595 0 to 200 psi 0 to 13.8 bar 1.5 to 8 250 psi (2)15 A SPDT 5 psi
PSW-706 595 0 to 300 psi 0 to 20.7 bar 2 to 9 350 psi (2)15 A SPDT 10 psi
PSW-707 595 0 to 500 psi 0 to 34.5 bar 3 to 12 575 psi (2)15 A SPDT 10 psi
DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, FIXED DEADBAND, BUNA-N O-RING, SS PISTON,
1
⁄
FNPT 303 SS PRESSURE CONNECTION
4
PSW-710 $595 125 to 3000 psi 8.6 to 207 bar 40 to 250 psi 10,000 psi (2)15 A SPDT 50 psi
DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, FIXED DEADBAND, BUNA-N DIAPHRAGM AND O-RING,
1
⁄
FNPT NICKEL-PLATED PRESSURE CONNECTION
4
PSW-715 $485 30 to 300 psi 2 to 21 bar 2 to 7 psi 1000 psi (2)15 A SPDT 10 psi
PSW-716 485 50 to 500 psi 3.5 to 34.5 bar 3 to 12 psi 2500 psi (2)15 A SPDT 10 psi
PSW-717 485 200 to 1000 psi 13.8 to 69 bar 5 to 25 psi 2500 psi (2)15 A SPDT 25 psi
Comes complete with operator’s manual.
Oxygen cleaning option available on welded SS diaphragm models; add suffix “-X6B” to model number and $30 to price.
Ordering Example: PSW-703-X6B, dual-setpoint 30 psi switch with welded SS diaphragm, specially cleaned for oxygen service, $695 + 30 = $725.
DEADBAND
UNITS PRESSURE
1
⁄
FNPT PRESSURE CONNECTION
2
SWITCH
GRADUATION
1 inHg & 0.5 psi
1 inHg & 0.5 psi
PRESSURE SWITCHES
H
H-34
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